A removable fuel tank indicator having a housing, wherein the housing is removable and universal to all automobiles and wherein the housing attaches to an automobile connection point located within the interior of the automobile； a removable arm temporarily attached to the housing, wherein the removable arm signals which side of the automobile a fuel tank is located； a means for attaching the housing to the automobile connection point wherein the automobile connection point is located within the interior of the automobile and said connection point is capable of attaching to the housing； the fragrance cartridge adapted for insertion into the opening and locking into the cavity of the housing, wherein where the cartridge is properly inserted into the opening and cavity of the housing.
